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History
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An ab anbar (water reservoir) with double domes and windcatchers (openings near the top of the towers) in the central desert city of Naeen, Iran. Wind
An ab anbar (water reservoir) with double domes and windcatchers (openings near the top of the towers) in the central desert city of Naeen, Iran. Windcatchers are a form of natural ventilation.
An axial belt-drive exhaust fan serving an underground car park. This exhaust fan's operation is interlocked with the concentration of contaminants em
An axial belt-drive exhaust fan serving an underground car park. This exhaust fan's operation is interlocked with the concentration of contaminants emitted by internal combustion engines.
The Central Tower of the Palace of Westminster. This octagonal spire was for ventilation purposes, in the more complex system imposed by Reid on Barry
The Central Tower of the Palace of Westminster. This octagonal spire was for ventilation purposes, in the more complex system imposed by Reid on Barry, in which it was to draw air out of the Palace. The design was for the aesthetic disguise of its function.
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An air filter being cleaned
An air filter being cleaned
A traditional wood-fired 3-stone stove in Guatemala, which causes indoor air pollution
A traditional wood-fired 3-stone stove in Guatemala, which causes indoor air pollution
Airborne bacteria
Airborne bacteria
Spider plants (Chlorophytum comosum) absorb some airborne contaminants.
Spider plants (Chlorophytum comosum) absorb some airborne contaminants.